3 years ago

3ab - 2bc = 12 solve for b

1 answer:

4 0

(3ab/b)-(2bc/b)=12/b
3a-2c=12b^-1
(3a-2c)/12=(12b^-1)/12
(3a-2c)/12=b^-1
12/(3a-2c)=b

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